DE69326126D1 - Time difference for coding analysis by synthesis - Google Patents
Time difference for coding analysis by synthesisInfo
- Publication number
- DE69326126D1 DE69326126D1 DE69326126T DE69326126T DE69326126D1 DE 69326126 D1 DE69326126 D1 DE 69326126D1 DE 69326126 T DE69326126 T DE 69326126T DE 69326126 T DE69326126 T DE 69326126T DE 69326126 D1 DE69326126 D1 DE 69326126D1
- Authority
- DE
- Germany
- Prior art keywords
- synthesis
- time difference
- coding analysis
- coding
- analysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US99030992A | 1992-12-14 | 1992-12-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69326126D1 true DE69326126D1 (en) | 1999-09-30 |
DE69326126T2 DE69326126T2 (en) | 2000-07-06 |
Family
ID=25536013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69326126T Expired - Lifetime DE69326126T2 (en) | 1992-12-14 | 1993-12-01 | Time difference for coding analysis by synthesis |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0602826B1 (en) |
JP (1) | JP3770925B2 (en) |
CA (1) | CA2102080C (en) |
DE (1) | DE69326126T2 (en) |
ES (1) | ES2136649T3 (en) |
MX (1) | MX9307743A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5704003A (en) * | 1995-09-19 | 1997-12-30 | Lucent Technologies Inc. | RCELP coder |
CA2213909C (en) * | 1996-08-26 | 2002-01-22 | Nec Corporation | High quality speech coder at low bit rates |
FI113903B (en) * | 1997-05-07 | 2004-06-30 | Nokia Corp | Speech coding |
JP4857467B2 (en) * | 2001-01-25 | 2012-01-18 | ソニー株式会社 | Data processing apparatus, data processing method, program, and recording medium |
JP4857468B2 (en) * | 2001-01-25 | 2012-01-18 | ソニー株式会社 | Data processing apparatus, data processing method, program, and recording medium |
JP3888097B2 (en) | 2001-08-02 | 2007-02-28 | 松下電器産業株式会社 | Pitch cycle search range setting device, pitch cycle search device, decoding adaptive excitation vector generation device, speech coding device, speech decoding device, speech signal transmission device, speech signal reception device, mobile station device, and base station device |
CA2365203A1 (en) | 2001-12-14 | 2003-06-14 | Voiceage Corporation | A signal modification method for efficient coding of speech signals |
DE602004030594D1 (en) | 2003-10-07 | 2011-01-27 | Panasonic Corp | METHOD OF DECIDING THE TIME LIMIT FOR THE CODING OF THE SPECTRO-CASE AND FREQUENCY RESOLUTION |
FI118704B (en) | 2003-10-07 | 2008-02-15 | Nokia Corp | Method and device for source coding |
US8744091B2 (en) | 2010-11-12 | 2014-06-03 | Apple Inc. | Intelligibility control using ambient noise detection |
RU2656681C1 (en) * | 2012-11-13 | 2018-06-06 | Самсунг Электроникс Ко., Лтд. | Method and device for determining the coding mode, the method and device for coding of audio signals and the method and device for decoding of audio signals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8902347A (en) * | 1989-09-20 | 1991-04-16 | Nederland Ptt | METHOD FOR CODING AN ANALOGUE SIGNAL WITHIN A CURRENT TIME INTERVAL, CONVERTING ANALOGUE SIGNAL IN CONTROL CODES USABLE FOR COMPOSING AN ANALOGUE SIGNAL SYNTHESIGNAL. |
EP0500961B1 (en) * | 1990-09-14 | 1998-04-29 | Fujitsu Limited | Voice coding system |
ES2115646T3 (en) * | 1991-10-25 | 1998-07-01 | At & T Corp | GENERAL METHOD AND APPARATUS OF VOCAL CODING THROUGH SYNTHESIS ANALYSIS. |
-
1993
- 1993-10-29 CA CA002102080A patent/CA2102080C/en not_active Expired - Lifetime
- 1993-12-01 EP EP93309580A patent/EP0602826B1/en not_active Expired - Lifetime
- 1993-12-01 DE DE69326126T patent/DE69326126T2/en not_active Expired - Lifetime
- 1993-12-01 ES ES93309580T patent/ES2136649T3/en not_active Expired - Lifetime
- 1993-12-08 MX MX9307743A patent/MX9307743A/en not_active IP Right Cessation
- 1993-12-14 JP JP34203493A patent/JP3770925B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH06214600A (en) | 1994-08-05 |
MX9307743A (en) | 1994-06-30 |
DE69326126T2 (en) | 2000-07-06 |
ES2136649T3 (en) | 1999-12-01 |
EP0602826A3 (en) | 1994-12-07 |
CA2102080C (en) | 1998-07-28 |
CA2102080A1 (en) | 1994-06-15 |
JP3770925B2 (en) | 2006-04-26 |
EP0602826A2 (en) | 1994-06-22 |
EP0602826B1 (en) | 1999-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |